44293987 has 2 divisors, whose sum is σ = 44293988. Its totient is φ = 44293986.

The previous prime is 44293979. The next prime is 44294011. The reversal of 44293987 is 78939244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44293987 - 2³ = 44293979 is a prime.

It is not a weakly prime, because it can be changed into another prime (44293927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22146993 + 22146994.

It is an arithmetic number, because the mean of its divisors is an integer number (22146994).

Almost surely, 2^44293987 is an apocalyptic number.

44293987 is a deficient number, since it is larger than the sum of its proper divisors (1).

44293987 is an equidigital number, since it uses as much as digits as its factorization.

44293987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 44293987 is about 6655.3727919629. The cubic root of 44293987 is about 353.8193589315.

The spelling of 44293987 in words is "forty-four million, two hundred ninety-three thousand, nine hundred eighty-seven".